کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1852462 1528797 2016 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Theoretical constraints on masses of heavy particles in Left-Right symmetric models
ترجمه فارسی عنوان
محدودیت های تئوری در توده های ذرات سنگین در مدل های متقارن چپ و راست
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک هسته ای و انرژی بالا
چکیده انگلیسی

Left-Right symmetric models with general gL≠gRgL≠gR gauge couplings which include bidoublet and triplet scalar multiplets are studied. Possible scalar mass spectra are outlined by imposing Tree-Unitarity, and Vacuum Stability criteria and also using the bounds on neutral scalar masses MHFCNCMHFCNC which assure the absence of Flavour Changing Neutral Currents (FCNC). We are focusing on mass spectra relevant for the LHC analysis, i.e., the scalar masses are around TeV scale. As all non-standard heavy particle masses are related to the vacuum expectation value (VEV) of the right-handed triplet (vRvR), the combined effects of relevant Higgs potential parameters and MHFCNCMHFCNC regulate the lower limits of heavy gauge boson masses. The complete set of Renormalization Group Evolutions for all couplings are provided at the 1-loop level, including the mixing effects in the Yukawa sector. Most of the scalar couplings suffer from the Landau poles at the intermediate scale Q∼106.5 GeVQ∼106.5 GeV, which in general coincides with violation of the Tree-Unitarity bounds.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 759, 10 August 2016, Pages 361–368
نویسندگان
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